| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.tools.layoutlib.create; |
| |
| import com.android.tools.layoutlib.annotations.VisibleForTesting; |
| import com.android.tools.layoutlib.annotations.VisibleForTesting.Visibility; |
| |
| import org.objectweb.asm.AnnotationVisitor; |
| import org.objectweb.asm.Attribute; |
| import org.objectweb.asm.ClassVisitor; |
| import org.objectweb.asm.FieldVisitor; |
| import org.objectweb.asm.MethodVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| /** |
| * Indicates if a class contains any native methods. |
| */ |
| public class ClassHasNativeVisitor extends ClassVisitor { |
| public ClassHasNativeVisitor() { |
| super(Opcodes.ASM4); |
| } |
| |
| private boolean mHasNativeMethods = false; |
| |
| public boolean hasNativeMethods() { |
| return mHasNativeMethods; |
| } |
| |
| @VisibleForTesting(visibility=Visibility.PRIVATE) |
| protected void setHasNativeMethods(boolean hasNativeMethods, String methodName) { |
| mHasNativeMethods = hasNativeMethods; |
| } |
| |
| @Override |
| public void visit(int version, int access, String name, String signature, |
| String superName, String[] interfaces) { |
| // pass |
| } |
| |
| @Override |
| public AnnotationVisitor visitAnnotation(String desc, boolean visible) { |
| // pass |
| return null; |
| } |
| |
| @Override |
| public void visitAttribute(Attribute attr) { |
| // pass |
| } |
| |
| @Override |
| public void visitEnd() { |
| // pass |
| } |
| |
| @Override |
| public FieldVisitor visitField(int access, String name, String desc, |
| String signature, Object value) { |
| // pass |
| return null; |
| } |
| |
| @Override |
| public void visitInnerClass(String name, String outerName, |
| String innerName, int access) { |
| // pass |
| } |
| |
| @Override |
| public MethodVisitor visitMethod(int access, String name, String desc, |
| String signature, String[] exceptions) { |
| if ((access & Opcodes.ACC_NATIVE) != 0) { |
| setHasNativeMethods(true, name); |
| } |
| return null; |
| } |
| |
| @Override |
| public void visitOuterClass(String owner, String name, String desc) { |
| // pass |
| } |
| |
| @Override |
| public void visitSource(String source, String debug) { |
| // pass |
| } |
| |
| } |